333333

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:74

約数の個数: 48

約数和(自身を含む): 663936

約数和(自身を除く): 330603

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 37, 39, 63, 77, 91, 99, 111, 117, 143, 231, 259, 273, 333, 407, 429, 481, 693, 777, 819, 1001, 1221, 1287, 1443, 2331, 2849, 3003, 3367, 3663, 4329, 5291, 8547, 9009, 10101, 15873, 25641, 30303, 37037, 47619, 111111, 333333]

約数ペア:

[(1, 333333), (3, 111111), (7, 47619), (9, 37037), (11, 30303), (13, 25641), (21, 15873), (33, 10101), (37, 9009), (39, 8547), (63, 5291), (77, 4329), (91, 3663), (99, 3367), (111, 3003), (117, 2849), (143, 2331), (231, 1443), (259, 1287), (273, 1221), (333, 1001), (407, 819), (429, 777), (481, 693)]